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                [Usaco2008 Dec]Trick or Treat on the Farm 采集糖果                </h1>
                <p>时间限制：5s&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;  空间限制：64MB</p>			</div>
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                                <h3>题目描述</h3><p><div><span style="font-size: medium">每年万圣节，威斯康星的奶牛们都要打扮一番，出门在农场的N(1&le;N&le;100000)个牛棚里转悠，来采集糖果．她们每走到一个未曾经过的牛棚，就会采集这个棚里的1颗糖果．</span><span style="font-size: medium">&nbsp;农场不大，所以约翰要想尽法子让奶牛们得到快乐．他给每一个牛棚设置了一个&ldquo;后继牛</span><span style="font-size: medium">棚&rdquo;．牛棚i的后继牛棚是Xi．他告诉奶牛们，她们到了一个牛棚之后，只要再往后继牛棚走去，就可以搜集到很多糖果．事实上这是一种有点欺骗意味的手段，来节约他的糖果．</span><span style="font-size: medium">&nbsp;&nbsp;第i只奶牛从牛棚i开始她的旅程．请你计算，每一只奶牛可以采集到多少糖果．</span></div></p><hr/><h3>输入格式</h3><p><div><span style="font-size: medium">&nbsp;&nbsp;&nbsp;&nbsp;第1行输入N，之后一行一个整数表示牛棚i的后继牛棚Xi，共N行．</span></div></p><hr/><h3>输出格式</h3><p><div>&nbsp;</div>
<div><span style="font-size: medium">&nbsp;&nbsp;&nbsp;&nbsp;共N行，一行一个整数表示一只奶牛可以采集的糖果数量．</span></div></p><hr/><h3>样例输入</h3><pre>4        //有四个点
1       //1有一条边指向1
3      //2有一条边指向3
2     //3有一条边指向2
3

INPUT DETAILS:

Four stalls.
* Stall 1 directs the cow back to stall 1.
* Stall 2 directs the cow to stall 3
* Stall 3 directs the cow to stall 2
* Stall 4 directs the cow to stall 3


</pre><hr/><h3>样例输出</h3><pre>1
2
2
3

</pre><hr/><h3>提示</h3><p><p>Cow 1: Start at 1, next is 1. Total stalls visited: 1. Cow 2: Start at 2, next is 3, next is 2. Total stalls visited: 2. Cow 3: Start at 3, next is 2, next is 3. Total stalls visited: 2. Cow 4: Start at 4, next is 3, next is 2, next is 3. Total stalls visited: 3.</p></p><hr/><h3>题目来源</h3><p>Gold</p>
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